I love watching water, and seeing how the light is broken up by disturbances, or the wind across a lake.
He's paddling like mad with his feet - breaking up the water round him into little bits of reflected light.
A lovely calm day by the lake in our park
Another park shot. The purple bits are actually reflections of a Rhododendron bush above the water. Somewhere in there is a coot's nest, but it is exceedingly well hidden!
Go over to the link above to see what reflective thoughts others have come up with!